//10.
#include<stdio.h>
int main()
{
	unsigned a = 0;
	unsigned max = 0;
	printf("请输入无符号整型数据，直到0：");
	do
	{
		scanf("%u",&a);
		if(max < a)
		{
			max = a;	
		}
	} while(a);
	printf("max = %u\n",max);
	
	return 0;
}
